//判断菜单节点是否是末级节点
export default function leafUtils(){
    const setLeaf =(arr) => {
        if(arr && arr.length >0){
            for(let i =0; i < arr.length;i++){
                if(arr[i].children && arr[i].children.length > 0){
                    arr[i].open = false;
                    setLeaf(arr[i].children)
                }else{
                    arr[i].open = true;
                }
            }
        }
        return arr
    }
    return{
        setLeaf
    }
}
    